Let the weather decide when the sprinklers come on and save water.
The latest innovation in irrigation is the smart sprinkler controller, a device that gives your plants the right amount of water for the time of year, climate and weather.
Residents saved more than 40 gallons per household per day after installation, according to one research study. Savings are up to 10 times greater on large landscapes, like those at parks, colleges and industrial complexes. (Note: to realize significant savings you will need to have a well-designed and well-maintained irrigation system.
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here for a list of these weather-based irrigation controllers that have been tested by the Center for Irrigation Technology.